hugetlb: ensure hugepage access is denied if hugepages are not supported

[pandora-kernel.git] / fs / btrfs / ctree.h

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 2ca4f31..0d9228b 100644 (file)
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -2174,15 +2174,6 @@ BTRFS_SETGET_FUNCS(file_extent_encryption, struct btrfs_file_extent_item,
 BTRFS_SETGET_FUNCS(file_extent_other_encoding, struct btrfs_file_extent_item,
                   other_encoding, 16);
 
-/* this returns the number of file bytes represented by the inline item.
- * If an item is compressed, this is the uncompressed size
- */
-static inline u32 btrfs_file_extent_inline_len(struct extent_buffer *eb,
-                                              struct btrfs_file_extent_item *e)
-{
-       return btrfs_file_extent_ram_bytes(eb, e);
-}
-
 /*
  * this returns the number of bytes used by the item on disk, minus the
  * size of any extent headers.  If a file is compressed on disk, this is
@@ -2196,6 +2187,29 @@ static inline u32 btrfs_file_extent_inline_item_len(struct extent_buffer *eb,
        return btrfs_item_size(eb, e) - offset;
 }
 
+/* this returns the number of file bytes represented by the inline item.
+ * If an item is compressed, this is the uncompressed size
+ */
+static inline u32 btrfs_file_extent_inline_len(struct extent_buffer *eb,
+                                              int slot,
+                                              struct btrfs_file_extent_item *fi)
+{
+       /*
+        * return the space used on disk if this item isn't
+        * compressed or encoded
+        */
+       if (btrfs_file_extent_compression(eb, fi) == 0 &&
+           btrfs_file_extent_encryption(eb, fi) == 0 &&
+           btrfs_file_extent_other_encoding(eb, fi) == 0) {
+               return btrfs_file_extent_inline_item_len(eb,
+                                                        btrfs_item_nr(eb, slot));
+       }
+
+       /* otherwise use the ram bytes field */
+       return btrfs_file_extent_ram_bytes(eb, fi);
+}
+
+
 static inline struct btrfs_root *btrfs_sb(struct super_block *sb)
 {
        return sb->s_fs_info;